Patents by Inventor Mark Stewart

Mark Stewart has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250092669
    Abstract: A system including an attachment device having a body with a hollow, axially oriented core and a radially outwardly extending flange coupled to the core. The body has an opening configured to receive a fastener therethrough, and the core has a plurality of slots formed therein. The core is configured such that at least about 20% of a perimeter of at least one location along a length of the core is defined by the slots.
    Type: Application
    Filed: September 15, 2023
    Publication date: March 20, 2025
    Applicant: Copper Line Partners, LLC
    Inventors: Paul D. Murdock, Shawn McNamara, Ethan Bay Limon, Jonathan Louis Hankenhof, Timothy Mark Stewart
  • Patent number: 12211378
    Abstract: A visual warning system for transmitting a signal from a first user to a second user. The system includes a first and second visual warning assembly. Each visual warning assembly includes a case having a base and a front face and an enclosed space within the case. Each visual warning assembly also includes an antenna and a lighted button configured to illuminate and de-illuminate. Finally, each visual warning assembly includes a microcontroller disposed within the enclosed space and electrically coupled together with the antenna and lighted button. The visual warning assembly can send and receive communications having instructions to and from other visual warning assemblies. As the lighted button of the first visual warning assembly is illuminated by a user, an instruction is sent to the second visual warning assembly illuminating the lighted button of the second visual warning assembly.
    Type: Grant
    Filed: October 17, 2022
    Date of Patent: January 28, 2025
    Inventor: David Mark Stewart
  • Patent number: 12207866
    Abstract: A method for ablating tissue by applying at least one pulse train of pulsed-field energy. The method includes delivering a pulse train of energy having a predetermined frequency to cardiac tissue, the pulse train including at least 60 pulses, an inter-phase delay between 0 ?s and 5 ?s, an inter-pulse delay of at least 5 ?s, and a pulse width of 5 ?s.
    Type: Grant
    Filed: November 6, 2023
    Date of Patent: January 28, 2025
    Assignee: Medtronic, Inc.
    Inventors: Mark Stewart, Steven J. Fraasch
  • Patent number: 12201353
    Abstract: A method for ablating tissue by applying at least one pulse train of pulsed-field energy. The method includes delivering a pulse train of energy having a predetermined frequency to cardiac tissue, the pulse train including at least 60 pulses, an inter-phase delay between 0 ?s and 5 ?s, an inter-pulse delay of at least 5 ?s, and a pulse width of 5 ?s.
    Type: Grant
    Filed: March 5, 2024
    Date of Patent: January 21, 2025
    Assignee: Medtronic, Inc.
    Inventors: Mark Stewart, Steven J. Fraasch
  • Patent number: 12150701
    Abstract: A method for ablating tissue by applying at least one pulse train of pulsed-field energy. The method includes delivering a pulse train of energy having a predetermined frequency to cardiac tissue, the pulse train including at least 60 pulses, an inter-phase delay between 0 ?s and 5 ?s, an inter-pulse delay of at least 5 ?s, and a pulse width of 5 ?s.
    Type: Grant
    Filed: January 5, 2024
    Date of Patent: November 26, 2024
    Assignee: Medtronic, Inc.
    Inventors: Mark Stewart, Steven J. Fraasch
  • Patent number: 12150700
    Abstract: A method for ablating tissue by applying at least one pulse train of pulsed-field energy. The method includes delivering a pulse train of energy having a predetermined frequency to cardiac tissue, the pulse train including at least 60 pulses, an inter-phase delay between O?s and 5 ?s, an inter-pulse delay of at least 5 ?s, and a pulse width of 5 ?s.
    Type: Grant
    Filed: June 6, 2023
    Date of Patent: November 26, 2024
    Assignee: Medtronic, Inc.
    Inventors: Mark Stewart, Steven J. Fraasch
  • Patent number: 12136513
    Abstract: Aspects of the present disclosure provide miniaturized isolator modules capable of transferring power and/or data signals across an isolation barrier by way of a transformer while maintaining intrinsic safety (IS) compliance. For example, the isolator modules may provide power from a non-IS side to an IS side of the isolation barrier while protecting the IS side in the event of an overvoltage and/or overcurrent event on the non-IS side. In some aspects, an isolator module includes one or more silicon protection devices, which facilitate the miniaturization of the isolator module while maintaining protection against overvoltage and/or overcurrent events in accordance with IS standards. In some aspects, an isolator module includes a transformer adapted for IS compliance. For example, coils of the transformer may be disposed on opposing sides of an isolation barrier having a thickness of at least 200 microns.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: November 5, 2024
    Assignee: Analog Devices, Inc.
    Inventors: Mark Stewart Cantrell, Keith W. Bennett
  • Publication number: 20240252236
    Abstract: A method for ablating tissue by applying at least one pulse train of pulsed-field energy. The method includes delivering a pulse train of energy having a predetermined frequency to cardiac tissue, the pulse train including at least 60 pulses, an inter-phase delay between 0 ?s and 5 ?s, an inter-pulse delay of at least 5 ?s, and a pulse width of 5 ?s.
    Type: Application
    Filed: March 5, 2024
    Publication date: August 1, 2024
    Inventors: Mark Stewart, Steven J. Fraasch
  • Publication number: 20240138908
    Abstract: A method for ablating tissue by applying at least one pulse train of pulsed-field energy. The method includes delivering a pulse train of energy having a predetermined frequency to cardiac tissue, the pulse train including at least 60 pulses, an inter-phase delay between Ops and 5 ?s, an inter-pulse delay of at least 5 ?s, and a pulse width of 5 ?s.
    Type: Application
    Filed: January 5, 2024
    Publication date: May 2, 2024
    Inventors: Mark Stewart, Steven J. Fraasch
  • Publication number: 20240122497
    Abstract: Two biomarkers are provided for obstructive apnea. A first biomarker determines amplitude and timing of inspiratory efforts from a bioelectric signal. The respiratory rate is compared with a normal pre-detection rate, and the amplitude of the effort is compared with a normal amplitude. The obstructive apnea is likely present if a series of inspiratory efforts are above a normal amplitude and with increasing amplitude, but at a normal rate. A second biomarker determines heart rate and respiratory rate. A normal lower threshold for heartbeat interval is established, and if subthreshold events occur (short RR intervals), a commencement time for each sequence of subthreshold events is compared for a respiratory rate-normalized window. If the number of subthreshold events exceeds a minimum for the window, obstructive apnea is likely present.
    Type: Application
    Filed: December 18, 2023
    Publication date: April 18, 2024
    Inventors: Mark Stewart, Richard Kollmar, Jason Lazar
  • Publication number: 20240065760
    Abstract: A method for ablating tissue by applying at least one pulse train of pulsed-field energy. The method includes delivering a pulse train of energy having a predetermined frequency to cardiac tissue, the pulse train including at least 60 pulses, an inter-phase delay between 0 ?s and 5 ?s, an inter-pulse delay of at least 5 ?s, and a pulse width of 5 ?s.
    Type: Application
    Filed: November 6, 2023
    Publication date: February 29, 2024
    Inventors: Mark Stewart, Steven J. Fraasch
  • Patent number: 11844605
    Abstract: Two biomarkers are provided for obstructive apnea. A first biomarker determines amplitude and timing of inspiratory efforts from a bioelectric signal. The respiratory rate is compared with a normal pre-detection rate, and the amplitude of the effort is compared with a normal amplitude. The obstructive apnea is likely present if a series of inspiratory efforts are above a normal amplitude and with increasing amplitude, but at a normal rate. A second biomarker determines heart rate and respiratory rate. A normal lower threshold for heartbeat interval is established, and if subthreshold events occur (short RR intervals), a commencement time for each sequence of subthreshold events is compared for a respiratory rate-normalized window. If the number of subthreshold events exceeds a minimum for the window, obstructive apnea is likely present.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: December 19, 2023
    Assignee: The Research Foundation for SUNY
    Inventors: Mark Stewart, Richard Kollmar, Jason Lazar
  • Publication number: 20230355303
    Abstract: A method for ablating tissue by applying at least one pulse train of pulsed-field energy. The method includes delivering a pulse train of energy having a predetermined frequency to cardiac tissue, the pulse train including at least 60 pulses, an inter-phase delay between O?s and 5 ?s, an inter-pulse delay of at least 5 ?s, and a pulse width of 5 ?s.
    Type: Application
    Filed: June 6, 2023
    Publication date: November 9, 2023
    Inventors: Mark Stewart, Steven J. Fraasch
  • Publication number: 20230263459
    Abstract: The present disclosure relates to a system for prevention of sudden death that includes a wearable seizure detection device; a base unit; and a computer, the computer configured to receive input from the seizure detection device and trigger the base unit to release oxygen under a condition effective to enrich an environmental oxygen level and prevent sudden death when the input indicates a seizure. Also disclosed is a portable system for preventing sudden death, where the system includes an oronasal mask; a compressed oxygen cartridge, wherein the compressed oxygen cartridge is coupled to the oronasal mask; and a fastener, wherein the fastener is coupled to the oronasal mask, wherein the system releases oxygen upon activation under a condition effective to enrich an environmental oxygen level and prevent sudden death. Further disclosed are methods of preventing sudden death comprising enriching an environmental oxygen level for a subject using the systems described.
    Type: Application
    Filed: May 21, 2021
    Publication date: August 24, 2023
    Inventors: Mark STEWART, Richard KOLLMAR
  • Patent number: 11729625
    Abstract: Associating a user service with a telephony identifier. The user service is accessible by a user of a telephony device via an application on the telephony device. The telephony device is operable in a radio telephony network (RTN) and is contactable via the telephony identifier when operating in the RTN. Network equipment: communicates, between the network equipment and the application on the telephony device, first data comprising a communicated token; receives, from the telephony device, second data comprising a received token, wherein the second data is received from the telephony device via an RTN-native service; receives, from a network node in the RTN, the telephony identifier in control signalling associated with the RTN-native service; and based at least on correlating the received token with the communicated token, associates the received telephony identifier with the user service.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: August 15, 2023
    Assignee: Metaswitch Networks Ltd.
    Inventor: Mark Stewart
  • Patent number: 11648971
    Abstract: A foldable golf trolley comprising a chassis; at least one electrically powered rear drive wheel; a wheel support arm mounted to the front of the chassis supporting a front wheel; a stabilizer arm mounted to the rear of the chassis supporting a stabilizer wheel; a main support mounted to the chassis and a handle mounted to the main support; wherein the main support, the wheel support arm and the stabilizer arm are rotatably mounted to the chassis and movable between an operative configuration and a folded configuration; and gears connecting the stabilizer arm and main support, wherein rotation of the main support between the operative configuration and the folded configuration cause rotation of the stabilizer arm between the operative configuration and the folded configuration.
    Type: Grant
    Filed: February 23, 2021
    Date of Patent: May 16, 2023
    Assignee: STEWART GOLF LIMITED
    Inventors: Mark Stewart, Jon Stewart-Miller, David Funnell, Duncan Ross Stewart
  • Publication number: 20230039600
    Abstract: A visual warning assembly, configured to make a warning from one vehicle to another vehicle. The visual warning assembly has a case with a front face joined to a base and an antenna. A channel display button, a channel selector button, a power button, a green lighted button, a yellow lighted button and a red lighted button, arranged on the front face. A mounting ball is magnetically joined to the base. A microcontroller is electrically coupled to the green lighted button, the yellow lighted button, and the red lighted button. The microcontroller is programmed with instructions to: receive a communication from a second visual warning assembly. Then, engage one member of a lighted button set consisting of the red button, the yellow button, and the green button creating an indicating light.
    Type: Application
    Filed: October 17, 2022
    Publication date: February 9, 2023
    Applicant: Platinum Attitude LLC
    Inventor: David Mark Stewart
  • Patent number: 11472431
    Abstract: A visual warning assembly, configured to make a warning from one vehicle to another vehicle. The visual warning assembly has a case with a front face joined to a base and an antenna. A channel display window, a channel selector button, a power button, a green lighted button, a yellow lighted button and a red lighted button, arranged on the front face. A mounting ball is magnetically joined to the base. A microcontroller is electrically coupled to the green lighted button, the yellow lighted button, and the red lighted button. The microcontroller is programmed with instructions to: receive a communication from a second visual warning assembly. Then, engage one member of a lighted button set consisting of the red button, the yellow button, and the green button creating an indicating light. Finally, receiving a signal from a user making the indicating light an activated button.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: October 18, 2022
    Inventor: David Mark Stewart
  • Patent number: 11465344
    Abstract: A method of additively manufacturing an object comprises feeding a feedstock line into a delivery guide. The feedstock line has a length and comprises a continuous flexible line. The continuous flexible line has a peripheral surface. The feedstock line further comprises a covering, releasably coupled to the peripheral surface of the continuous flexible line. The method also comprises removing the covering from the peripheral surface of the continuous flexible line before the continuous flexible line is deposited along a print path and depositing the continuous flexible line along the print path using the delivery guide.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: October 11, 2022
    Assignee: The Boeing Company
    Inventors: Mark Stewart Wilenski, Faraón Torres, Samuel F. Harrison, Nick Shadbeh Evans
  • Patent number: 11440261
    Abstract: Systems for thermal control of additive manufacturing comprise a build volume within which a part is additively manufactured; a heat source positioned relative to the build volume and configured to actively deliver heat to discrete sections of the part as it is being additively manufactured; and a controller operatively coupled to the heat source and configured to direct delivery of heat from the heat source to discrete sections of the part as it is being additively manufactured to impart desired physical properties to the part. Methods of additively manufacturing a part comprise additively building a part from a feedstock material; and actively heating discrete sections of the part as the part is being additively built to impart desired physical properties to the part.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: September 13, 2022
    Assignee: The Boeing Company
    Inventors: Mark Stewart Wilenski, Faraón Torres, Nick Shadbeh Evans, Samuel F. Harrison, Michael Patrick Kozar